docs: def draw(obj, plane='3d', inline=False, **kwargs):
      '''Draw the morphology using in the given plane
  
      plane (str): a string representing the 2D plane (example: 'xy')
                   or '3d', '3D' for a 3D view
  
      inline (bool): must be set to True for interactive ipython notebook plotting
      '''
      if plane.lower() == '3d':
          return _plot_neuron3d(obj, inline, **kwargs)
      return _plot_neuron(obj, plane, inline, **kwargs)